P1526 – Throttle Control Motor Relay Stuck (Nissan)

Description

The ECM detected a throttle control motor relay stuck in one position.

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Symptoms

  • Poor acceleration
  • Limp mode

Causes

  • Relay failure
  • Wiring issue
  • ECM driver fault

Diagnosis

  • Test relay
  • Inspect wiring
  • Scan throttle data

Repair

  • Replace relay
  • Repair wiring